Refactor

colaflow-api/src/ColaFlow.API/Controllers/TenantUsersController.cs

@@ -11,15 +11,8 @@ namespace ColaFlow.API.Controllers;
 [ApiController]
 [Route("api/tenants/{tenantId}/users")]
 [Authorize]
-public class TenantUsersController : ControllerBase
+public class TenantUsersController(IMediator mediator) : ControllerBase
 {
-    private readonly IMediator _mediator;
-
-    public TenantUsersController(IMediator mediator)
-    {
-        _mediator = mediator;
-    }
-
     /// <summary>
     /// List all users in a tenant with their roles
     /// </summary>
@@ -41,7 +34,7 @@ public class TenantUsersController : ControllerBase
             return StatusCode(403, new { error = "Access denied: You can only manage users in your own tenant" });
 
         var query = new ListTenantUsersQuery(tenantId, pageNumber, pageSize, search);
-        var result = await _mediator.Send(query);
+        var result = await mediator.Send(query);
         return Ok(result);
     }
 
@@ -72,7 +65,7 @@ public class TenantUsersController : ControllerBase
         var currentUserId = Guid.Parse(currentUserIdClaim);
 
         var command = new AssignUserRoleCommand(tenantId, userId, request.Role, currentUserId);
-        await _mediator.Send(command);
+        await mediator.Send(command);
         return Ok(new { Message = "Role assigned successfully" });
     }
 
@@ -102,7 +95,7 @@ public class TenantUsersController : ControllerBase
         var currentUserId = Guid.Parse(currentUserIdClaim);
 
         var command = new RemoveUserFromTenantCommand(tenantId, userId, currentUserId, null);
-        await _mediator.Send(command);
+        await mediator.Send(command);
         return Ok(new { Message = "User removed from tenant successfully" });
     }